IT1108754B - PRIMING CIRCUIT FOR PLASMA TORCHES - Google Patents
PRIMING CIRCUIT FOR PLASMA TORCHESInfo
- Publication number
- IT1108754B IT1108754B IT68732/78A IT6873278A IT1108754B IT 1108754 B IT1108754 B IT 1108754B IT 68732/78 A IT68732/78 A IT 68732/78A IT 6873278 A IT6873278 A IT 6873278A IT 1108754 B IT1108754 B IT 1108754B
- Authority
- IT
- Italy
- Prior art keywords
- plasma torches
- priming circuit
- priming
- circuit
- torches
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
- B23K9/067—Starting the arc
- B23K9/0672—Starting the arc without direct contact between electrodes
- B23K9/0678—Ionization of the arc gap by means of an auxiliary arc
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/36—Circuit arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/836,816 US4225769A (en) | 1977-09-26 | 1977-09-26 | Plasma torch starting circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7868732A0 IT7868732A0 (en) | 1978-07-20 |
IT1108754B true IT1108754B (en) | 1985-12-09 |
Family
ID=25272813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68732/78A IT1108754B (en) | 1977-09-26 | 1978-07-20 | PRIMING CIRCUIT FOR PLASMA TORCHES |
Country Status (12)
Country | Link |
---|---|
US (1) | US4225769A (en) |
JP (1) | JPS5451940A (en) |
AU (1) | AU518382B2 (en) |
BE (1) | BE869168A (en) |
CA (1) | CA1115353A (en) |
DE (1) | DE2830579A1 (en) |
ES (1) | ES472623A1 (en) |
FR (1) | FR2404372A1 (en) |
GB (2) | GB2061035B (en) |
IT (1) | IT1108754B (en) |
MX (1) | MX145417A (en) |
ZA (1) | ZA783698B (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2535992B1 (en) * | 1982-11-12 | 1985-10-11 | Soudure Autogene Francaise | HIGH FREQUENCY IGNITION DEVICE AND AUXILIARY ELECTRODE OF A WELDING OR CUTTING ARC |
US4678888A (en) * | 1983-01-21 | 1987-07-07 | Plasma Energy Corporation | Power circuit apparatus for starting and operating plasma arc |
US4517439A (en) * | 1984-05-07 | 1985-05-14 | Colley Bruce H | AC-DC welding power supply |
FR2589307B1 (en) * | 1985-10-25 | 1993-07-30 | Soudure Autogene Francaise | METHOD OF STARTING AN ARC IN ELECTRIC WELDING AND WELDING TORCH IMPLEMENTING THIS METHOD |
US4818916A (en) * | 1987-03-06 | 1989-04-04 | The Perkin-Elmer Corporation | Power system for inductively coupled plasma torch |
FR2650522B1 (en) * | 1989-08-03 | 1994-10-28 | Soudure Autogene Francaise | ELECTRICAL COUPLING WELDING TORCH INSTALLATION |
JPH05509039A (en) * | 1990-05-15 | 1993-12-16 | ザ ユニヴァーシティ オヴ シドニー | DC switching type arc torch power supply |
US5349605A (en) * | 1990-06-15 | 1994-09-20 | The University Of Sydney | DC arc torch power supply |
US5170030A (en) * | 1991-04-08 | 1992-12-08 | Thermal Dynamics Corporation | Plasma torch electronic pulsing circuit |
US5416297A (en) * | 1993-03-30 | 1995-05-16 | Hypertherm, Inc. | Plasma arc torch ignition circuit and method |
US5961855A (en) * | 1998-01-28 | 1999-10-05 | Thermal Dynamics Corporation | Low voltage electrical based parts-in-place (PIP) system for contact start torch |
US6084196A (en) * | 1998-02-25 | 2000-07-04 | General Electric Company | Elevated-temperature, plasma-transferred arc welding of nickel-base superalloy articles |
US5990443A (en) * | 1998-03-12 | 1999-11-23 | Thermal Dynamics Corporation | Plasma torch pilot arc circuit |
AT2774U1 (en) * | 1998-05-04 | 1999-04-26 | Inocon Technologie Gmbh | METHOD AND DEVICE FOR PARTLY MELTING OBJECTS |
US6133543A (en) * | 1998-11-06 | 2000-10-17 | Hypertherm, Inc. | System and method for dual threshold sensing in a plasma ARC torch |
US6772040B1 (en) * | 2000-04-10 | 2004-08-03 | Hypertherm, Inc. | Centralized control architecture for a plasma arc system |
US6947802B2 (en) * | 2000-04-10 | 2005-09-20 | Hypertherm, Inc. | Centralized control architecture for a laser materials processing system |
US6359251B1 (en) | 2000-04-10 | 2002-03-19 | Hypertherm, Inc. | Centralized control architecture for a plasma arc system |
US6622058B1 (en) | 2000-04-10 | 2003-09-16 | Tate S. Picard | Centralized control architecture for a plasma arc system |
US6475215B1 (en) * | 2000-10-12 | 2002-11-05 | Naim Erturk Tanrisever | Quantum energy surgical device and method |
US6365867B1 (en) * | 2000-11-01 | 2002-04-02 | Sandia Corporation | Plasma arc torch with coaxial wire feed |
US6350960B1 (en) | 2000-11-28 | 2002-02-26 | Thermal Dynamics Corporation | Parts-in-place safety reset circuit and method for contact start plasma-arc torch |
US7186947B2 (en) * | 2003-03-31 | 2007-03-06 | Hypertherm, Inc. | Process monitor for laser and plasma materials processing of materials |
ITVI20030218A1 (en) * | 2003-11-05 | 2005-05-06 | Trafimet Spa | TRIGGER CIRCUIT OF THE PILOT ARCH FOR PLASMA ARC LIGHTS. |
US7022935B1 (en) * | 2003-12-08 | 2006-04-04 | Illinois Tool Works Inc. | Plasma-cutting torch with integrated high frequency starter |
US9956639B2 (en) | 2005-02-07 | 2018-05-01 | Lincoln Global, Inc | Modular power source for electric ARC welding and output chopper |
US20060163220A1 (en) * | 2005-01-27 | 2006-07-27 | Brandt Aaron D | Automatic gas control for a plasma arc torch |
US9855620B2 (en) * | 2005-02-07 | 2018-01-02 | Lincoln Global, Inc. | Welding system and method of welding |
US7982159B2 (en) * | 2007-09-25 | 2011-07-19 | Kaliburn, Inc. | Plasma arc ignition using a unipolar pulse |
US8901451B2 (en) | 2011-08-19 | 2014-12-02 | Illinois Tool Works Inc. | Plasma torch and moveable electrode |
US9833860B1 (en) | 2016-07-22 | 2017-12-05 | Lincoln Global, Inc. | System and method for plasma arc transfer for plasma cutting |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB907205A (en) * | 1959-10-05 | 1962-10-03 | Saturn Ind Gases Ltd | Improvements in or relating to arc initiation |
US3174027A (en) * | 1962-09-25 | 1965-03-16 | Union Carbide Corp | Pilot arc starting-arc working systems |
DE1256817B (en) * | 1966-04-22 | 1967-12-21 | Kjellberg Elektroden & Maschin | Process for increasing the nozzle service life in high power density arc plasma torches and circuitry for carrying out the process |
US3354289A (en) * | 1966-08-15 | 1967-11-21 | Kjellberg Elektroden & Maschin | Method of increasing the durability of nozzles for arc-plasma-torches with high power density and a connection arrangement for carrying out the process |
DE1615363C3 (en) * | 1967-07-04 | 1974-11-07 | Messer Griesheim Gmbh, 6000 Frankfurt | Device for stabilizing and igniting welding arcs using current pulses |
US3551741A (en) * | 1967-07-04 | 1970-12-29 | Linde Ag | Arc striking or stabilization network having a detecting transformer and capacitor connected to the electrode |
DE1928757C3 (en) * | 1969-06-06 | 1978-11-23 | Messer Griesheim Gmbh, 6000 Frankfurt | Circuit arrangement for stabilizing and igniting welding arcs |
US3813510A (en) * | 1972-02-04 | 1974-05-28 | Thermal Dynamics Corp | Electric arc torches |
US3876855A (en) * | 1972-02-18 | 1975-04-08 | Matsushita Electric Ind Co Ltd | Tungsten inert gas arc striking device |
GB1397337A (en) * | 1972-05-16 | 1975-06-11 | Dso Metaloleene | Arc welding or cutting device |
DE2224607B2 (en) * | 1972-05-19 | 1979-02-22 | Dso Metaloleene, Sofia | Circuit arrangement for the contact-free ignition and stabilization of a welding arc by discharge surges from a capacitor |
US3818177A (en) * | 1972-09-05 | 1974-06-18 | Welding Inst | Arc welding |
DE2316869A1 (en) * | 1973-04-04 | 1974-10-17 | Siemens Ag | HIGH FREQUENCY IGNITION VOLTAGE GENERATOR |
US3849670A (en) * | 1973-04-13 | 1974-11-19 | Webster Electric Co Inc | Scr commutation circuit for current pulse generators |
DE2449557C2 (en) * | 1974-10-18 | 1976-11-25 | Messer Griesheim Gmbh | SWITCH ARC FOR STABILIZATION AND IGNITION OF WELDING ARCs BY IGNITION PULSES |
DE2459289A1 (en) * | 1974-12-14 | 1976-06-16 | Messer Griesheim Gmbh | Arc or plasma welder or cutter - has rectifier mounted in circuit to block ignition pulse energy |
-
1977
- 1977-09-26 US US05/836,816 patent/US4225769A/en not_active Expired - Lifetime
-
1978
- 1978-06-27 CA CA306,307A patent/CA1115353A/en not_active Expired
- 1978-06-28 ZA ZA00783698A patent/ZA783698B/en unknown
- 1978-07-12 DE DE19782830579 patent/DE2830579A1/en active Granted
- 1978-07-12 FR FR7820762A patent/FR2404372A1/en active Granted
- 1978-07-17 GB GB8010485A patent/GB2061035B/en not_active Expired
- 1978-07-17 GB GB7830053A patent/GB2005093B/en not_active Expired
- 1978-07-17 AU AU38090/78A patent/AU518382B2/en not_active Expired
- 1978-07-19 JP JP8721278A patent/JPS5451940A/en active Granted
- 1978-07-20 IT IT68732/78A patent/IT1108754B/en active
- 1978-07-20 BE BE189414A patent/BE869168A/en not_active IP Right Cessation
- 1978-07-21 ES ES472623A patent/ES472623A1/en not_active Expired
- 1978-07-21 MX MX174272A patent/MX145417A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB2005093A (en) | 1979-04-11 |
FR2404372B1 (en) | 1985-04-19 |
DE2830579C2 (en) | 1988-12-29 |
DE2830579A1 (en) | 1979-03-29 |
BE869168A (en) | 1978-11-16 |
GB2005093B (en) | 1982-04-07 |
CA1115353A (en) | 1981-12-29 |
ES472623A1 (en) | 1979-10-16 |
MX145417A (en) | 1982-02-04 |
US4225769A (en) | 1980-09-30 |
AU518382B2 (en) | 1981-10-01 |
JPS5451940A (en) | 1979-04-24 |
FR2404372A1 (en) | 1979-04-20 |
JPS6313789B2 (en) | 1988-03-28 |
AU3809078A (en) | 1980-01-17 |
GB2061035B (en) | 1982-06-23 |
ZA783698B (en) | 1979-07-25 |
GB2061035A (en) | 1981-05-07 |
IT7868732A0 (en) | 1978-07-20 |
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